Container closure



FIG. 1 is an upper perspective view of a container closure showing our new design;

FIG. 2 is a lower perspective view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof; and,

FIG. 5 is a front elevational view thereof, with the rear, left and right views being identical.

The broken lines showing of a tamper-evidencing band, internal threads and other internal structure is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a container closure, as shown and described. 